Display screen or portion thereof with a graphical user interface



A portion of the disclosure of this patent document contains materialwhich is subject to copyright protection. The copyright owner has noobjection to facsimile reproduction by anyone of the patent document orthe patent disclosure, as it appears in the Patent and Trademark Officepatent file or records, but otherwise reserves all other copyrightrights whatsoever. The following notice applies to the drawing thatforms a part of this document: Copyright © 2011 Adobe Systems Inc. Allrights reserved.

FIG. 1 is a front view for a display screen or portion thereof with agraphical user interface according to the first embodiment.

FIG. 2 is a front view for a display screen or portion thereof with agraphical user interface according to the second embodiment; and,

FIG. 3 is a front view for a display screen or portion thereof with agraphical user interface according to the third embodiment.

The broken lines illustrate portions of a display screen, graphical userinterface, and environmental structure for the display screen or portionthereof with a graphical user interface that forms no part of theclaimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.